Eliminate no_frame_range data

src/ia32/lithium-codegen-ia32.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_IA32
 
 #include "src/base/bits.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 174 matching lines @@
 
   info()->set_prologue_offset(masm_->pc_offset());
   if (NeedsEagerFrame()) {
     DCHECK(!frame_is_built_);
     frame_is_built_ = true;
     if (info()->IsStub()) {
       __ StubPrologue();
     } else {
       __ Prologue(info()->IsCodePreAgingActive());
     }
-    info()->AddNoFrameRange(0, masm_->pc_offset());
   }
 
   if (info()->IsOptimizing() &&
       dynamic_frame_alignment_ &&
       FLAG_debug_code) {
     __ test(esp, Immediate(kPointerSize));
     __ Assert(zero, kFrameIsExpectedToBeAligned);
   }
 
   // Reserve space for the stack slots needed by the code.
@@ skipping 2488 matching lines @@
     __ push(eax);
     __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
     __ CallRuntime(Runtime::kTraceExit, 1);
   }
   if (info()->saves_caller_doubles()) RestoreCallerDoubles();
   if (dynamic_frame_alignment_) {
     // Fetch the state of the dynamic frame alignment.
     __ mov(edx, Operand(ebp,
       JavaScriptFrameConstants::kDynamicAlignmentStateOffset));
   }
-  int no_frame_start = -1;
   if (NeedsEagerFrame()) {
     __ mov(esp, ebp);
     __ pop(ebp);
-    no_frame_start = masm_->pc_offset();
   }
   if (dynamic_frame_alignment_) {
     Label no_padding;
     __ cmp(edx, Immediate(kNoAlignmentPadding));
     __ j(equal, &no_padding, Label::kNear);
 
     EmitReturn(instr, true);
     __ bind(&no_padding);
   }
 
   EmitReturn(instr, false);
-  if (no_frame_start != -1) {
-    info()->AddNoFrameRange(no_frame_start, masm_->pc_offset());
-  }
 }
 
 
 template <class T>
 void LCodeGen::EmitVectorLoadICRegisters(T* instr) {
   Register vector_register = ToRegister(instr->temp_vector());
   Register slot_register = LoadWithVectorDescriptor::SlotRegister();
   DCHECK(vector_register.is(LoadWithVectorDescriptor::VectorRegister()));
   DCHECK(slot_register.is(eax));
 
@@ skipping 2990 matching lines @@
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_IA32